* Add support for Promess ATC board

* Patch by Keith Outwater, 28 Apr 2003:
  - Miscellaneous corrections and additions to GEN860T board specific code.
  - Added GEN860_SC variant to GEN860T.
  - Miscellaneous corrections to GEN860T documentation.
  - Correct duplicate entry in U-Boot CREDITS file.
  - Add GEN860T_SC entry in MAINTAINERS file.
  - Update CREDITS file with GEN860T_SC info.

* Update Smiths Aerospace addresses in MAINTAINERS file

* Fix error handling in hush's version of "run" command

5 files changed, 217 insertions, 42 deletions

diff --git a/board/gen860t/README b/board/gen860t/README
index 761ceed..7c03f93 100644
--- a/board/gen860t/README
+++ b/board/gen860t/README
@@ -1,8 +1,7 @@
-
 This directory contains board specific code for a generic MPC860T based
 embedded computer, called 'GEN860T'.  The design is generic in the sense that
 common, readily available components are used and that the architecture of the
-system is i(relatively) straightforward:
+system is relatively straightforward:
 
 	One eight bit wide boot (FLASH) memory
 	32 bit main memory using SDRAM
@@ -23,14 +22,14 @@ hearing from you, especially if you discover bugs or find ways to improve the
 quality of this U-Boot port.
 
 Here are the salient features of the system:
-Clock						:	33 Mhz oscillator
-Processor core frequency	:	66 Mhz  if in 1:2:1 mode; can also run 1:1
-Bus frequency				:	33 Mhz
+Clock						:	33.3 Mhz oscillator
+Processor core frequency	:	66.6 Mhz  if in 1:2:1 mode; can also run 1:1
+Bus frequency				:	33.3 Mhz
 
 Main memory:
 	Type	: SDRAM
 	Width	: 32 bits
-	Size	: 64 megabytes
+	Size	: 64 mibibytes
 	Chip	: Two Micron MT48LC16M16A2TG-7E
 	CS		: MPC860T CS1*/UPMA
 	UPMA CONNECTIONS:
@@ -42,7 +41,7 @@ Main memory:
 Boot memory:
 	Type	: FLASH
 	Width	: 8 bits
-	Size	: 16 megabytes
+	Size	: 16 mibibytes
 	Chip	: One Intel 28F128J3A (StrataFlash)
 	CS		: MPC860T CS0*/GPCM (this is the "boot" chip select)
 
@@ -56,7 +55,7 @@ EEPROM memory:
 Filesystem memory:
 	Type	: NAND FLASH (Toshiba)
 	Width	: 8 bits (i.e. interface to DOC is 8 bits)
-	Size	: 32 megabytes
+	Size	: 32 mibibytes
 	Chip	: One DiskOnCHip Millenium Plus (DOC 2000+)
 	CS		: MPC860T CS2*/GPCM
 
@@ -92,6 +91,12 @@ Miscellaneous:
 	Mil-Std 1553 databus interface on CS5*/GPCM.
 	Audio sounder (beeper) with digital volume control connected to SPKROUT.
 
+SC variant:
+	A reduced-feature version of the GEN860T port is also supported: GEN860T_SC.
+	The 'SC' variant only provides support for the Virtex FPGA, SDRAM main
+	memory, EEPROM and flash memory.  The system clock frequency is reduced
+	to 24 MHz.
+
 Issues:
 	The DOC 2000+ returns 0x40 as its device ID when probed using the method
 	desxribed in the DOC datasheet.  Unfortunately, the U-Boot DOC driver
@@ -105,11 +110,11 @@ Status:
 	in MTD for this device.  I wish I had known this sooner :(
 
 The GEN860T board specific files and configuration is based on the work
-of others who have contributed to U-Boot. The copright and license notices
+of others who have contributed to U-Boot. The copyright and license notices
 of these authors have been retained wherever their code has been reused.
 All new code to support the GEN860T board is:
 
-	(C) Copyright 2001-2002
+	(C) Copyright 2001-2003
 	Keith Outwater (keith_outwater@mvis.com)
 
 and the following license applies:
diff --git a/board/gen860t/gen860t.c b/board/gen860t/gen860t.c
index 16a3262..094eeef 100644
--- a/board/gen860t/gen860t.c
+++ b/board/gen860t/gen860t.c
@@ -271,18 +271,12 @@ misc_init_r (void)
 int
 last_stage_init(void)
 {
+#if !defined(CONFIG_SC)
 	unsigned char buf[256];
 	int i;
 
 	/*
-	 * Set LEDs here since status LED init code has already run
-	 */
-	status_led_set(STATUS_LED_BIT1, STATUS_LED_ON);
-	status_led_set(STATUS_LED_BIT3, STATUS_LED_ON);
-
-	/*
-	 * Turn the beeper volume all the way down in case this is a warm
-	 * boot.
+	 * Turn the beeper volume all the way down in case this is a warm boot.
 	 */
 	set_beeper_volume(-64);
 	init_beeper();
@@ -294,6 +288,18 @@ last_stage_init(void)
 	if (i > 0) {
 		do_beeper(buf);
 	}
+#endif
 	return 0;
 }
+
+/*
+ * Stub to make POST code happy.  Can't self-poweroff, so just hang.
+ */
+void
+board_poweroff(void)
+{
+	puts("### Please power off the board ###\n");
+    while (1);
+}
+
 /* vim: set ts=4 sw=4 tw=78 : */
diff --git a/board/gen860t/ioport.c b/board/gen860t/ioport.c
index 5d6524d..7b3ebd4 100644
--- a/board/gen860t/ioport.c
+++ b/board/gen860t/ioport.c
@@ -42,8 +42,9 @@
 const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
     /*
 	 * Port A configuration
-	 * Pin		Signal				Type	Active		Initial state
-	 * PA7 		fpgaProgramLowOut	Out		Low			High
+	 * Pin	Signal					Type	Active	Initial state
+	 * PA7 	fpgaProgramLowOut		Out		Low			High
+	 * PA1 	fpgaCoreVoltageFailLow	In		Low			N/A
 	 */
     {	/*	    conf ppar psor pdir podr pdat pint	   function 		*/
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /* No pin			*/
@@ -62,22 +63,32 @@ const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
 	/* PA4  */ { 1,   0,   0,   1,   0,   0,   0 }, /* red bicolor LED 0*/
 	/* PA3  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PA2  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
+#if !defined(CONFIG_SC)
+	/* PA1  */ { 1,   0,   0,   0,   0,   0,   0 }, /*	fpgaCoreVoltageFail*/
+#else
 	/* PA1  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
+#endif
 	/* PA0  */ { 0,   0,   0,   0,   0,   0,   0 }  /*	*/
     },
 
 	/*
+	 * Port B configuration
 	 * Pin		Signal			Type		Active		Initial state
 	 * PB14		docBusyLowIn	In			Low			X
 	 * PB15		gpio1Sig		Out			High		Low
 	 * PB16		fpgaDoneBi		In			High		X
-	 * PB17		swBitOkLowOut	Out			Low			Low
+	 * PB17		swBitOkLowOut	Out			Low			High
 	 * PB19		speakerVolSig	Out/Hi-Z	High/Low	High (Hi-Z)
 	 * PB22		fpgaInitLowBi	In			Low			X
 	 * PB23		batteryOkSig	In			High		X
-     */
-    {	/*	    conf ppar psor pdir podr pdat pint 	  function			*/
-	/* PB31 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
+	 * PB31		pulseCatcherClr	Out			High		0
+	 */
+	{	/*	    conf ppar psor pdir podr pdat pint 	  function			*/
+#if !defined(CONFIG_SC)
+	/* PB31 */ { 0,	  0,   0,   0,   0,   0,   0 }, /*	*/
+#else
+	/* PB31 */ { 1,   0,   0,   1,   0,   0,   0 }, /* pulseCatcherClr	*/
+#endif
 	/* PB30 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PB29 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PB28 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
@@ -85,19 +96,32 @@ const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
 	/* PB26 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PB25 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PB24 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
+#if !defined(CONFIG_SC)
 	/* PB23 */ { 1,   0,   0,   0,   0,   0,   0 }, /* batteryOk		*/
+#else
+	/* PB23 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
+#endif
 	/* PB22 */ { 1,   0,   0,   0,   0,   0,   0 }, /* fpgaInitLowBi	*/
 	/* PB21 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PB20 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
+#if !defined(CONFIG_SC)
 	/* PB19 */ { 1,   0,   0,   1,   1,   1,   0 }, /* speakerVol		*/
+#else
+	/* PB19 */ { 0,   0,   0,   1,   1,   1,   0 }, /*	*/
+#endif
 	/* PB18 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
-	/* PB17 */ { 1,   0,   0,   1,   0,   0,   0 }, /* swBitOkLow		*/
+	/* PB17 */ { 1,   0,   0,   1,   0,   1,   0 }, /* swBitOkLow		*/
 	/* PB16 */ { 1,   0,   0,   0,   0,   0,   0 }, /* fpgaDone			*/
 	/* PB15 */ { 1,   0,   0,   1,   0,   0,   0 }, /* gpio1			*/
+#if !defined(CONFIG_SC)
 	/* PB14 */ { 1,   0,   0,   0,   0,   0,   0 }  /* docBusyLow		*/
-    },
+#else
+	/* PB14 */ { 0,   0,   0,   0,   0,   0,   0 }  /* 	*/
+#endif
+	},
 
 	/*
+	 * Port C configuration
 	 * Pin		Signal				Type	Active		Initial state
 	 * PC4		i2cBus1EnSig		Out		High		High
 	 * PC5		i2cBus2EnSig		Out		High		High
@@ -108,29 +132,48 @@ const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
 	 * PC12		systemBitOkIn		In		High		X
 	 * PC15		selfDreqLow			In		Low			X
 	 */
-    {	/*	    conf ppar psor pdir podr pdat pint 	  function			*/
+	{	/*	    conf ppar psor pdir podr pdat pint 	  function			*/
 	/* N/A	*/ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* N/A	*/ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PC15 */ { 1,   0,   0,   0,   0,   0,   0 }, /* selfDreqLowIn	*/
 	/* PC14 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PC13 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
+#if !defined(CONFIG_SC)
 	/* PC12 */ { 1,   0,   0,   0,   0,   0,   0 }, /* systemBitOkIn	*/
+#else
+	/* PC12 */ { 0,   0,   0,   0,   0,   0,   0 }, /* 	*/
+#endif
 	/* PC11 */ { 1,   0,   0,   1,   0,   1,   0 }, /* fpgaResetLowOut	*/
+#if !defined(CONFIG_SC)
 	/* PC10 */ { 1,   0,   0,   1,   0,   1,   0 }, /* i2cBus4EnSig		*/
+#else
+	/* PC10 */ { 0,   0,   0,   1,   0,   1,   0 }, /*	*/
+#endif
 	/* PC9  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
+#if !defined(CONFIG_SC)
 	/* PC8  */ { 1,   0,   0,   1,   0,   1,   0 }, /* i2cBus3EnSig		*/
+#else
+	/* PC8  */ { 0,   0,   0,   1,   0,   1,   0 }, /*	*/
+#endif
 	/* PC7  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PC6  */ { 1,   0,   0,   1,   0,   1,   0 }, /* gpio0			*/
+#if !defined(CONFIG_SC)
 	/* PC5  */ { 1,   0,   0,   1,   0,   1,   0 }, /* i2cBus2EnSig		*/
 	/* PC4  */ { 1,   0,   0,   1,   0,   1,   0 }, /* i2cBus1EnSig		*/
+#else
+	/* PC5  */ { 0,   0,   0,   1,   0,   1,   0 }, /*	*/
+	/* PC4  */ { 0,   0,   0,   1,   0,   1,   0 }, /*	*/
+#endif
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }  /*	*/
-    },
+	},
 
-    /* Port D configuration */
-    {	/*	    conf ppar psor pdir podr pdat pint 	   function			*/
+	/*
+	 * Port D configuration
+	 */
+	{	/*	    conf ppar psor pdir podr pdat pint 	   function			*/
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* PD15 */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
@@ -149,7 +192,7 @@ const mpc8xx_iop_conf_t iop_conf_tab[NUM_PORTS][PORT_BITS] = {
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }, /*	*/
 	/* N/A  */ { 0,   0,   0,   0,   0,   0,   0 }  /*	*/
-    }
+	}
 };
 
 /*
diff --git a/board/gen860t/u-boot-flashenv.lds b/board/gen860t/u-boot-flashenv.lds
new file mode 100644
index 0000000..8b1ce1a
--- /dev/null
+++ b/board/gen860t/u-boot-flashenv.lds
@@ -0,0 +1,132 @@
+/*
+ * Linker command file for the GEN860T board when the environment is
+ * stored in flash memory.
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+SECTIONS
+{
+  /*
+   * Read-only sections, merged into text segment:
+   */
+  . = + SIZEOF_HEADERS;
+  .interp        : { *(.interp)		}
+  .hash          : { *(.hash)		}
+  .dynsym        : { *(.dynsym)		}
+  .dynstr        : { *(.dynstr)		}
+  .rel.text      : { *(.rel.text)	}
+  .rela.text     : { *(.rela.text) 	}
+  .rel.data      : { *(.rel.data)	}
+  .rela.data     : { *(.rela.data) 	}
+  .rel.rodata    : { *(.rel.rodata) 	}
+  .rela.rodata   : { *(.rela.rodata) 	}
+  .rel.got       : { *(.rel.got)	}
+  .rela.got      : { *(.rela.got)	}
+  .rel.ctors     : { *(.rel.ctors)	}
+  .rela.ctors    : { *(.rela.ctors)	}
+  .rel.dtors     : { *(.rel.dtors)	}
+  .rela.dtors    : { *(.rela.dtors)	}
+  .rel.bss       : { *(.rel.bss)	}
+  .rela.bss      : { *(.rela.bss)	}
+  .rel.plt       : { *(.rel.plt)	}
+  .rela.plt      : { *(.rela.plt)	}
+  .init          : { *(.init)		}
+  .plt           : { *(.plt)		}
+  .text :
+  {
+    cpu/mpc8xx/start.o	(.text)
+    *(.text)
+    *(.fixup)
+    *(.got1)
+  }
+  _etext = .;
+  PROVIDE (etext = .);
+  .rodata    :
+  {
+    *(.rodata)
+    *(.rodata1)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /*
+   * Read-write section, merged into data segment:
+   */
+  . = (. + 0x00FF) & 0xFFFFFF00;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+  .data:
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(256);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(256);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  
+  _end = . ;
+  PROVIDE (end = .);
+
+  .ppcenv:
+  {
+    . = env_offset;
+    common/environment.o
+  }
+}
diff --git a/board/gen860t/u-boot.lds b/board/gen860t/u-boot.lds
index 1b53c72..b67faa6 100644
--- a/board/gen860t/u-boot.lds
+++ b/board/gen860t/u-boot.lds
@@ -56,15 +56,6 @@ SECTIONS
   .text :
   {
     cpu/mpc8xx/start.o		(.text)
-    common/dlmalloc.o		(.text)
-    lib_ppc/ppcstring.o		(.text)
-    lib_generic/vsprintf.o	(.text)
-    lib_generic/crc32.o		(.text)
-    lib_generic/zlib.o		(.text)
-
-/*    . = env_offset;
-    common/environment.o(.text) */
-
     *(.text)
     *(.fixup)
     *(.got1)
@@ -128,8 +119,6 @@ SECTIONS
    *(.bss)
    *(COMMON)
   }
-
   _end = . ;
   PROVIDE (end = .);
 }
-